Help connecting sink pipes back together

[jw1234]

I can’t work out how to connect this pipe back to the pipe on the wall. Every time I try water leaks down the back wall. Help appreciated. Thanks (images below).

89449072-9E1A-4B62-8A50-1EEF098CC2E4.jpeg

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[gmartine]

Looks like the pipe in the wall is unhelpfully sitting back, you need to find a way to pull it out enough and hold it in position while also trying to screw on the compression fitting.

You could do that by pulling it out and driving a short wood screw into the gap between the board and pipe, that should get some purchase and hold it in position or maybe even use two.

 

[rpm]

Havent opened the links but if the pipe does spring back as suggested above, can you pull the pipe forward and use a jubilee clip to hold it in postion.